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EP0562040
European procedure
Extract from the Register of European Patents
EP About this file: EP0562040
| EP0562040 - ARYL MONOSULFONATE COLLECTORS USEFUL IN THE FLOTATION OF MINERALS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.05.1998 Database last updated on 05.07.2024 | Most recent event Tooltip | 29.05.1998 | No opposition filed within time limit | published on 15.07.1998 [1998/29] | Applicant(s) | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Midland, Michigan 48674 / US | [1997/48] |
| Former [1993/39] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center, Abbott Road Midland, Michigan 48640 / US | Inventor(s) | 01 /
KLIMPEL, Richard, R. 4805 Oakridge Drive Midland, MI 48640 / US | 02 /
LEONARD, Donald, E. 9478 East Coe Road Shepherd, MI 48883 / US | 03 /
FRAZIER, Kevin, A. 1105 Tanwood Court Midland, MI 48642 / US | 04 /
MCCANN, Gordon, D. 2600 Parsons Court Midland, MI 48642 / US | [1993/39] | Representative(s) | Burford, Anthony Frederick, et al Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | [N/P] |
| Former [1993/39] | Burford, Anthony Frederick, et al W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn London WC2A 3SZ / GB | Application number, filing date | 92904085.5 | 13.12.1991 | [1993/39] | WO1991US09371 | Priority number, date | US19900628264 | 17.12.1990 Original published format: US 628264 | [1993/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9211091 | Date: | 09.07.1992 | Language: | EN | [1992/17] | Type: | A1 Application with search report | No.: | EP0562040 | Date: | 29.09.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 09.07.1992 takes the place of the publication of the European patent application. | [1993/39] | Type: | B1 Patent specification | No.: | EP0562040 | Date: | 23.07.1997 | Language: | EN | [1997/30] | Search report(s) | International search report - published on: | US | 09.07.1992 | (Supplementary) European search report - dispatched on: | EP | 22.12.1993 | Classification | IPC: | B03D1/012, B03D1/02 | [1993/39] | CPC: |
B03D1/012 (EP);
B03D2201/02 (EP);
B03D2203/02 (EP);
B03D2203/025 (EP)
| Designated contracting states | SE [1993/39] | Title | German: | ARYLMONOSULFONAT-SAMMELWIRKSTOFFE VON NUTZEN BEI DER FLOTATION VON MINERALIEN | [1993/39] | English: | ARYL MONOSULFONATE COLLECTORS USEFUL IN THE FLOTATION OF MINERALS | [1993/39] | French: | AGENTS COLLECTEURS A BASE DE MONOSULFONATE D'ARYLE UTILES A LA FLOTTATION DE MINERAUX | [1993/39] | Entry into regional phase | 12.07.1993 | National basic fee paid | 12.07.1993 | Search fee paid | 12.07.1993 | Designation fee(s) paid | 12.07.1993 | Examination fee paid | Examination procedure | 15.07.1992 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 12.07.1993 | Examination requested [1993/39] | 01.09.1994 | Despatch of a communication from the examining division (Time limit: M08) | 11.05.1995 | Reply to a communication from the examining division | 18.08.1995 | Despatch of a communication from the examining division (Time limit: M04) | 20.12.1995 | Reply to a communication from the examining division | 24.09.1996 | Despatch of communication of intention to grant (Approval: Yes) | 21.01.1997 | Communication of intention to grant the patent | 22.04.1997 | Fee for grant paid | 22.04.1997 | Fee for publishing/printing paid | Opposition(s) | 24.04.1998 | No opposition filed within time limit [1998/29] | Fees paid | Renewal fee | 06.09.1993 | Renewal fee patent year 03 | 22.08.1994 | Renewal fee patent year 04 | 28.08.1995 | Renewal fee patent year 05 | 02.09.1996 | Renewal fee patent year 06 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [XA]US2547148 (A. BATES) [X] 1-5,18,19,21,22 * column 2, line 8 - column 4, line 6 * [A] 14,20 | International search | [XY]US4309282 ; | [X]US3164549 ; | [X]US3405802 ; | [X]US2861687 ; | [X]US2373305 ; | [X]US4231841 ; | [X]US4959123 ; | [X]US4308133 ; | [X]US3292787 ; | [X]US3214018 ; | [P]US5015367 |